Files
enginex-mlu370-vllm/torch_mlu_ops-v1.3.2/benchmarks/benchmark_reshape_paged_cache.py
2026-02-04 17:39:32 +08:00

77 lines
3.9 KiB
Python

import torch
import torch_mlu
import torch_mlu_ops as tmo
from common import benchmark_forward, save_to_csv
import argparse
from tabulate import tabulate
import os
import random
e2e_time_param_dict_list = [{"num_tokens": 1024, "num_block": 500, "block_size": 6, "head_num_q": 32,
"head_num_kv": 32, "head_size": 128, "quantize": True, "input_dtype": [torch.float16, torch.bfloat16]},
{"num_tokens": 1024, "num_block": 500, "block_size": 6, "head_num_q": 32,
"head_num_kv": 32, "head_size": 128, "quantize": False, "input_dtype": [torch.float16, torch.bfloat16]}
]
def main():
if 'MLU3' in torch.mlu.get_device_name():
exit()
parser = argparse.ArgumentParser()
parser.add_argument('--repeat_times', type=int, default=10, help='repeat times for testing')
parser.add_argument('--csv', action='store_true', help='write the report data to csv')
parser.add_argument('-o', type=str, help='specify the output folder name under --csv mode')
args = parser.parse_args()
titles = ["num_tokens", "num_block", "block_size", "head_num_q", "head_num_kv", "head_size", "input_dytpe", "quantize", "hardware_time(us)", "e2e_latency(us)"]
contents = []
for params_dict in e2e_time_param_dict_list:
num_tokens = params_dict["num_tokens"]
num_blocks = params_dict["num_block"]
block_size = params_dict["block_size"]
head_num_q = params_dict["head_num_q"]
head_num_kv = params_dict["head_num_kv"]
head_size = params_dict["head_size"]
quantize = params_dict["quantize"]
input_dtype_list = params_dict["input_dtype"]
for dtype in input_dtype_list:
qkv = torch.randn(num_tokens, head_num_q + 2 * head_num_kv, head_size, dtype=dtype).mlu()
key = qkv[:, head_num_q : head_num_q + head_num_kv, :]
value = qkv[:, head_num_q + head_num_kv : head_num_q + 2 * head_num_kv, :]
key_cache = torch.randn(num_blocks, head_num_kv, block_size, head_size, dtype=dtype).mlu()
value_cache = torch.randn(num_blocks, head_num_kv, block_size, head_size, dtype=dtype).mlu()
num_slots = num_blocks * block_size
slot_mapping = random.sample(range(num_slots), num_tokens)
slot_mapping = torch.tensor(slot_mapping, dtype=torch.int).mlu()
slot_mapping[-1] = -1
if not quantize:
hardware_time, e2e_time = benchmark_forward(tmo.reshape_paged_cache,
key, value,
key_cache, value_cache,
slot_mapping,
repeats=args.repeat_times)
else:
k_cache_quant_scale = torch.randn(num_blocks, head_num_kv, block_size).to('mlu').to(torch.float32)
v_cache_quant_scale = torch.randn(num_blocks, head_num_kv, block_size).to('mlu').to(torch.float32)
hardware_time, e2e_time = benchmark_forward(tmo.quant_to_paged_cache,
key, value,
key_cache, value_cache,
k_cache_quant_scale,
v_cache_quant_scale,
slot_mapping,
repeats=args.repeat_times)
content = [f"{num_tokens}", f"{num_blocks}", f"{block_size}", f"{head_num_q}", f"{head_num_kv}", f"{head_size}", f"{dtype}", f"{quantize}", f"{hardware_time}", f"{e2e_time}"]
contents.append(content)
table = [titles] + contents
print(tabulate(table, headers="firstrow", tablefmt="grid"))
if args.csv:
current_file_path = __file__
_, file_name = os.path.split(current_file_path)
save_to_csv(table, args.o, file_name)
if __name__=="__main__":
main()